Originally Posted by pitpop

sure, I think that is the hot plug, right? It should be fine. We use the Orion or Sirio #5 and 6. #6 for when it's hot out, like over 85 degrees. The p3 also works, but not as durable. The Orion plug is a great plug and developed with this engine technology too. I can honestly say that no matter what engine we ran, knowing what I know today, the Orion plug is one of, if not THE best glow plug on the market. More power and more durable.